CN205978988U - Pipeline corrosion protection layer detection device - Google Patents
Pipeline corrosion protection layer detection device Download PDFInfo
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- CN205978988U CN205978988U CN201620982665.1U CN201620982665U CN205978988U CN 205978988 U CN205978988 U CN 205978988U CN 201620982665 U CN201620982665 U CN 201620982665U CN 205978988 U CN205978988 U CN 205978988U
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- pipeline
- anticorrosive coat
- periphery
- audible
- visual annunciator
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Abstract
The utility model discloses a pipeline corrosion protection layer detection device, the pipeline periphery is provided with the anticorrosive coating, detection device includes pinhole testing machine, audible -visual annunciator and cup joints the elasticity activity conductive sleeve circle in the anticorrosive coating periphery of pipeline, pipeline axial displacement can be followed to elasticity activity conductive sleeve circle, elasticity activity conductive sleeve circle, pinhole testing machine, audible -visual annunciator and pipeline link together through the wire and constitute detection circuitry. The utility model discloses a voltage is exerted to the pipeline anticorrosive coating to the pinhole testing machine, when the pipeline corrosion protection layer is damaged the attenuation or is had the pinhole, the high pressure through the time form the gap breakdown and produce spark discharge, the damaged department of current conveyance is linked to be the route, audible -visual annunciator sends the warning to the suggestion pipeline corresponds department's anticorrosive coating and needs to repair, thereby reaches the testing goal to pipeline anticorrosive coating quality, guarantees the anti -corrosion construction quality of pipeline, improves the life of pipeline.
Description
Technical field
This utility model belongs to technical field of pipeline construction, particularly to a kind of pipeline anticorrosion coating detection means.
Background technology
In engineering construction, the complexity of underground pipe construction is often decided by geologic structure complexity, anticorrosive quality
Quality determines the service life of pipeline, and particularly in coastal rainy season, subsoil water is salty, and general water level winter is -0.7
Rice, rainy season is -0.4 meter, because by the sea, very strict to requirement for anticorrosion.Therefore for the detection of buried pipe anticorrosive quality, typically
In addition to visual examination, also need to check anti-corrosion thickness using needle point method, inspect antiseptical with jackknife by random samples and glue solidity.
And pipeline anticorrosion coating pin hole be also known as anticorrosive coat leak source, anticorrosive coat breaking point, anticorrosive coat hot spot, its quantity number
It is the important quality index of pipeline corrosion protection precast plant and pipeline construction department with size, conduit running business connection is arrived
Being accurately positioned of conduit running middle and late stage leakage point, is related to the service life of pipeline.Therefore, for pipeline anticorrosion coating quality
Detection is very important link.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem, provide one kind can be easily to pipeline
Anticorrosive coat is detected, thus ensureing the detection means of pipeline corrosion protection quality.
The technical scheme of this utility model technology is realized in：A kind of pipeline anticorrosion coating detection means, described pipeline
Periphery be provided with anticorrosive coat it is characterised in that：Described detection means includes pinhole test, audible-visual annunciator and is socketed in pipe
The elastic active conductive lasso of the anticorrosive coat periphery in road, described elasticity active conductive lasso can move axially along pipeline, described bullet
Sexual activity conduction lasso, pinhole test, audible-visual annunciator and pipeline are linked together composition testing circuit by wire, institute
State pinhole test and apply certain voltage to the anticorrosive coat of pipeline periphery, when the anticorrosive coat of described pipeline is up-to-standard, described
Testing circuit remains off, and when the anticorrosive coat of described pipeline is off quality, described audible-visual annunciator sends warning.
Pipeline anticorrosion coating detection means described in the utility model, is additionally provided with enumerator in described testing circuit, when
During testing circuit closure, the counting circuit of described enumerator produces pulse signal, and described enumerator is according to pulses generation quantity pair
The defect of anticorrosive coat is counted.
Pipeline anticorrosion coating detection means described in the utility model, its described elasticity active conductive lasso is in its natural state
Internal diameter be less than and be provided with the anti-corrosion pipe external diameter of anticorrosive coat, described elasticity active conductive lasso is socketed in after producing certain deformation
The anticorrosive coat periphery of pipeline.
This utility model passes through pinhole test to pipeline anticorrosion coating applied voltage, when pipeline anticorrosion coating damage thinning or
When there is pin hole, high pressure produces spark discharge through out-of-date formation gap breakdown, and electric current is linked to be path, acousto-optic report by breakage
Alert device sends warning, to point out pipeline corresponding position anticorrosive coat to need to repair, thus reaching the detection mesh to pipeline anticorrosion coating quality
It is ensured that the anti_corrosion construction quality of pipeline, improve the service life of pipeline.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure labelling：1 is pipeline, and 2 is anticorrosive coat, and 3 is pinhole test, and 4 is audible-visual annunciator, and 5 is that elastic activity is led
Electric lasso.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model technology.It should be appreciated that specific embodiment described herein only in order to
Explain this utility model, be not used to limit utility model.
As shown in figure 1, a kind of pipeline anticorrosion coating detection means, described pipeline 1 periphery is provided with anticorrosive coat 2, described detection
Device includes pinhole test 3, audible-visual annunciator 4 and is socketed in the elastic active conductive lasso of anticorrosive coat 2 periphery of pipeline 1
5, described elasticity active conductive lasso 5 internal diameter in its natural state is less than the anti-corrosion pipe external diameter being provided with anticorrosive coat 2, described bullet
Sexual activity conduction lasso 5 is socketed in anticorrosive coat 2 periphery of pipeline 1, described elasticity active conductive lasso 5 after producing certain deformation
Can move axially along pipeline 1, described elasticity active conductive lasso 5, pinhole test 3, audible-visual annunciator 4 and pipeline 1 pass through
Wire links together composition testing circuit, described pinhole test 3 according to anticorrosive coat 2 from anticorrosive coat thickness to pipeline 1 periphery
Apply certain voltage, when the anticorrosive coat 2 of described pipeline 1 is up-to-standard, audible-visual annunciator 4 is not reported to the police, anti-when described pipeline 1
When rotten layer 2 is off quality, audible-visual annunciator 4 sends alarm signal.
Wherein, it is additionally provided with enumerator in described testing circuit, when testing circuit closes, the counting of described enumerator
Circuit produces pulse signal, and described enumerator counts to the defect of anticorrosive coat 2 according to pulses generation quantity.
Operation principle of the present utility model is：When detecting to pipeline anticorrosion coating, by elastic active conductive lasso set
It is connected on to be detected section of pipeline, start pinhole test, under 8000V～15000V high pressure, if the anticorrosive coat of pipeline is up-to-standard
When, electric current cannot pass through anticorrosive coat, and testing circuit remains off；If the anticorrosive coat of pipeline is off quality, due to gold
Resistance value gentle gap density all very littles at metal surface insulating corrosion layer pin hole, leakage ferrum and electric leakage micropore, when having high pressure through out-of-date
Form gap breakdown and produce spark discharge, electric current is linked to be path by breakage, respectively produces to warning circuit and counting circuit
One pulse signal, audible-visual annunciator sends alarm signal, and counter records once, reach anticorrosive coat detection according to this principle
Purpose simultaneously counts to deficiency of protection coating.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (3)
1. a kind of pipeline anticorrosion coating detection means, described pipeline（1）Periphery is provided with anticorrosive coat（2）It is characterised in that：Described inspection
Survey device and include pinhole test（3）, audible-visual annunciator（4）And it is socketed in pipeline（1）Anticorrosive coat（2）The yielding movable of periphery
Moving conductive lasso（5）, described elasticity active conductive lasso（5）Can be along pipeline（1）Axial movement, described elasticity active conductive lasso
（5）, pinhole test（3）, audible-visual annunciator（4）And pipeline（1）Linked together composition testing circuit by wire, described
Pinhole test（3）To pipeline（1）The anticorrosive coat of periphery（2）Apply certain voltage, when described pipeline（1）Anticorrosive coat（2）Matter
When measuring qualified, described testing circuit remains off, when described pipeline（1）Anticorrosive coat（2）When off quality, described sound
Light crossing-signal（4）Send warning.
2. pipeline anticorrosion coating detection means according to claim 1 it is characterised in that：Described testing circuit also sets up
There is enumerator, when testing circuit closes, the counting circuit of described enumerator produces pulse signal, and described enumerator is according to pulse
Produce quantity to anticorrosive coat（2）Defect counted.
3. pipeline anticorrosion coating detection means according to claim 1 and 2 it is characterised in that：Described elasticity active conductive set
Circle（5）Internal diameter in its natural state is less than and is provided with anticorrosive coat（2）Anti-corrosion pipe external diameter, described elasticity active conductive lasso
（5）It is socketed in pipeline after producing certain deformation（1）Anticorrosive coat（2）Periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982665.1U CN205978988U (en) | 2016-08-30 | 2016-08-30 | Pipeline corrosion protection layer detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620982665.1U CN205978988U (en) | 2016-08-30 | 2016-08-30 | Pipeline corrosion protection layer detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205978988U true CN205978988U (en) | 2017-02-22 |
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ID=58041022
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620982665.1U Active CN205978988U (en) | 2016-08-30 | 2016-08-30 | Pipeline corrosion protection layer detection device |
Country Status (1)
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| CN (1) | CN205978988U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167419A (en) * | 2017-05-26 | 2017-09-15 | 成都润泰茂成科技有限公司 | A kind of buried pipeline external anti-corrosion layer on-line checking assessment system |
| CN109211977A (en) * | 2018-09-29 | 2019-01-15 | 河北省特种设备监督检验研究院 | Pipeline anticorrosion coating detection device |
| CN109557438A (en) * | 2018-12-14 | 2019-04-02 | 北京天智航医疗科技股份有限公司 | Probe error detecting apparatus |
-
2016
- 2016-08-30 CN CN201620982665.1U patent/CN205978988U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167419A (en) * | 2017-05-26 | 2017-09-15 | 成都润泰茂成科技有限公司 | A kind of buried pipeline external anti-corrosion layer on-line checking assessment system |
| CN109211977A (en) * | 2018-09-29 | 2019-01-15 | 河北省特种设备监督检验研究院 | Pipeline anticorrosion coating detection device |
| CN109211977B (en) * | 2018-09-29 | 2020-09-25 | 河北省特种设备监督检验研究院 | Pipeline anticorrosive coating detection device |
| CN109557438A (en) * | 2018-12-14 | 2019-04-02 | 北京天智航医疗科技股份有限公司 | Probe error detecting apparatus |
| CN109557438B (en) * | 2018-12-14 | 2024-02-27 | 北京天智航医疗科技股份有限公司 | Probe error detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |